Created attachment 30284 [details] Xorg log system Environment: -------------------------- Libdrm: (master)a107e5b12960f64722bff424502a4fc0ad33dc8f Mesa: (master)3611d01a44d5d3cd2c132e685836b1ea9c8b9922 Xserver: (master)1088073b11ed488c0df45af3867b900ef93c6fe1 Xf86_video_intel: (master)1556c62e0336ea2fef866722ee44d2d188e318f3 Kernel: (drm-intel-next)8d91104aac6e21e6ca2a56124e2e47b0db043ea8 Bug detailed description: ------------------------- start X, then run glean, the case clipFlat run failed on all our platforms. Reproduce steps: ---------------- 1. xinit& 2. run Glean/clipFlat
Created attachment 30285 [details] clipFlat output log
Is clipFlat a new test? Has it been changed recently? If the test has not recently changed, could you please bisect? Thanks.
(In reply to comment #2) > Is clipFlat a new test? Has it been changed recently? If the test has not > recently changed, could you please bisect? Yes, it's a new case and fail since it was added around mid Sept. I thought you or Eric know who added it.
commit 4e84dc8729cac4c78e521436ae091638a490da76 Author: Eric Anholt <eric@anholt.net> Date: Fri May 14 15:34:35 2010 -0700 i965: Set the correct provoking vertex for clipped first-mode trifans. Bug #24470: glean clipFlat test.
This bug was fixed on i965, but still exists on i915 (Tested on Pineview with Mesa:(master)29bcbf5e797a18430285c75abb8a9300c8defe1d).
Here is the testing output on Pineview: ---------------------------------------------------------------------- Test clipping with flat shading (provoking vertex). clipFlat: Failure for glBegin/End(GL_TRIANGLES), glFrontFace(GL_CCW), glPolygonMode(GL_FILL) Translation: -1, -1 GL_EXT_provoking_vertex test: GL_FIRST_VERTEX_CONVENTION_EXT mode Expected color (0, 1, 0) but found (0.623529, 0.376471, 0) clipFlat: FAIL rgba8, db, z24, s8, win+pmap, id 33
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